"Heather has been dealing with anxiety and depression," publicist Sarah Fuller said Tuesday in a statement. "She requested an in-depth evaluation of her medication and entered into a medical facility for proper diagnosis and treatment. This is a confidential medical matter, and no further statement will be released."

People magazine's Web site reported Tuesday that the 46-year-old actress checked into a facility in Arizona.

Locklear's divorce from Bon Jovi guitarist Richie Sambora was finalized in April 2007. They have a daughter, Ava Elizabeth. Locklear is reportedly dating former "Melrose Place" co-star Jack Wagner.